-
For maintenance and repair work, the power supply of the unit must be inter-
rupted.
-
Use only suitable tools according to EN 1127-1:2011 to prevent sparking.
-
Perform work only with conductive footwear (according to BGR 132) in order
to avoid electrostatic charging.
-
To avoid static charging, cleaning work may only be performed with a wet
cloth.
-
Work may only be performed at non-explosive atmosphere.
-
The creation of an explosive atmosphere needs to be counteracted by ade-
quate ventilation.
-
Avoid any kind of ignition sources.
2.3 Staff selection and qualification
All persons who are authorized to work on the air conditioner must, have read and understood this
manual - in particular
chapter 2 (Safety instructions)
. Before this is not guaranteed, the person
may not begin to work on the AHU.
All work must be carried out by professionals who have sufficient technical training, experience and
sufficient knowledge of…
-
Locally applicable safety and occupational health rules
-
Locally valid accident prevention regulations
-
Locally applicable standards and approved rules of practice.
All professionals have to recognize and assess the work, recognize and avoid potential hazards.
Execution of the assembly, installation, electrical connection, commissioning and disposal:
-
by qualified electricians and AHU technicians.
Execution of maintenance / monitoring of the operation:
-
by technical staff or trained personnel and qualified electricians and AHU technicians.
Work on optionally installed refrigeration components must be performed only by trained and ac-
cording to EU-directive 303/2008 certified refrigeration technicians.
Subsequently, warning triangles indicate warnings that must be followed to minimize risks to per-
sons who are entrusted with the work on the air conditioner.
3
Reception control / unloading / transportation to installation site
Note:
Chapter 3.2 (Unloading / transportation to installation location)
,
chapter 3.3
(Overlifting of AHU sections with crane lugs)
and
chapter 3.4 (Overlifting of monoblocs)
do
not apply to flat units (ceiling units), since they are not equipped with base frame.
3.1 Reception control
-
Upon arrival of the equipment, please check immediately the package for completeness and
damage.
-
Loose supplied parts and assembly materials are in a nylon bag or a box in the unit.